As it ripens the yellow external tegument opens, revealing the dark-red mace, that is closely enwrapped about a thin black shell.
"Lippincott's Magazine of Popular Literature and Science, Vol. XII. No. 30. September, 1873" by Various
After all what is this mortal tegument but a shell which a man sloughs off in eternal evolution.
"Diane of the Green Van" by Leona Dalrymple
Tegument: a covering surface or skin.
"Explanation of Terms Used in Entomology" by John. B. Smith
They are developed as tubercles or folds in the tegument, and are homologous with the legs.
"Our Common Insects" by Alpheus Spring Packard
TEGUMENTS, or coats, sometimes only one, more commonly two.
"The Elements of Botany" by Asa Gray
Scant teguments the mighty Son enchain, Whom thou thyself not wholly dost contain.
"The Complete Works of Richard Crashaw, Volume II (of 2)" by Richard Crashaw
The third a harder tegument or shell, which lieth under the Mace.
"The Works of Sir Thomas Browne (Volume 1 of 3)" by Thomas Browne